AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) > PROBLEM SYMPTOMS TABLE

for Preparation Click here


HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Panel Switch Function 
Symptom
Suspected Area
See page
Pressing power switch does not turn on system
Proceed to "Pressing Power Switch does not Turn on System"
Click here
Proceed to "Steering Pad Switch Circuit"
Click here
Radio receiver assembly
Click here
Panel switch does not function
Radio receiver assembly
Click here
Radio receiver does not illuminate at night
Proceed to "Illumination Circuit"
Click here
Radio receiver assembly
Click here

General Audio Function  
Symptom
Suspected Area
See page
No sound can be heard from speakers (audio is mute)
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "No Sound can be Heard from Speakers"
Click here
Proceed to "Speaker Circuit"
Click here
Radio receiver assembly
Click here
Sound quality is bad in all modes (volume is too low)
Proceed to "Poor Sound Quality in All Modes (Low Volume)"
Click here
Proceed to "Speaker Circuit"
Click here
Radio receiver assembly
Click here
ASL does not function
Proceed to "Speed Signal Circuit"
Click here
Abnormal noise occurs
Proceed to "Noise Occurs"
Click here
Radio receiver assembly
Click here

FM or AM Radio Function  
Symptom
Suspected Area
See page
Radio broadcast cannot be received or poor reception
Proceed to "Radio Broadcast cannot be Received (Bad Reception)"
Click here
Radio broadcast can be received but radio station cannot be displayed (some radio stations do not provide their name information)
Radio receiver assembly
Click here
Radio broadcast can be displayed but radio broadcast cannot be heard from speakers
Operate the volume switch and turn up the volume level
-
Radio receiver assembly
Click here

CD Player Function  
Symptom
Suspected Area
See page
CD cannot be inserted/played or CD is ejected right after insertion
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "CD cannot be Inserted/ Played or CD is Ejected Right After Insertion"
Click here
CD cannot be played or player does not function with disc
Proceed to "CD Player Outline" in System Description and check if the CD is compatible with the CD player
-
Radio receiver assembly
Click here
CD cannot be ejected
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here
Sound quality is bad only when CD is played (volume is too low)
Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"
Click here
CD sound skips
Proceed to "CD Sound Skips"
Click here

AUX (Stereo Jack) Function  
Symptom
Suspected Area
See page
External device sound cannot be heard or sound quality is bad (stereo jack is used)
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here

Steering Pad Switch Function (w/ Steering Pad Switch)  
Symptom
Suspected Area
See page
Audio system cannot be operated with steering pad switch
Proceed to "Steering Pad Switch Circuit"
Click here
Radio receiver assembly
Click here
Steering pad switch cannot be illuminated at night
Proceed to "Illumination Circuit"
Click here
Radio receiver assembly
Click here

"Bluetooth" Hands-free Function 
Symptom
Suspected Area
See page
"Bluetooth" is inoperative (In-vehicle device cannot be recognized by the cellular phone)
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
"Bluetooth" compatible cellular phone cannot be registered
Proceed to "Cellular Phone Registration Failure"
Click here
"Bluetooth" compatible cellular phone cannot be connected
Check that no other cellular phone is connected as a hands-free device
-
Bring the cellular phone near the in-vehicle device and reconnect it
-
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
"Bluetooth" compatible cellular phone cannot be connected automatically (can be connected manually)
Check that "Bluetooth" automatic connection setting of the in-vehicle device is on
-
Radio receiver assembly
Click here
"Bluetooth" compatible cellular phone connection is disconnected
Bring the cellular phone near the in-vehicle device and check if it is reconnected
-
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
Message that prompts to check the cellular phone is displayed
Bring the cellular phone near the in-vehicle device and check if it is reconnected
-
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
When the ignition switch is turned to ACC, instructions for checking the connection condition between the in-vehicle device and cellular phone are displayed
Turn the cellular phone connection conformation display on the in-vehicle device off
-
Phonebook data cannot be transferred
Check that the phonebook automatic transfer setting of the in-vehicle device is on
-
Enter "1234" into the "Bluetooth" phone (when transferring phonebook data, OBEX authentication may be required)
-
Check that no applications on the cellular phone are running
-
If using "Bluetooth" audio function, cancel the "Bluetooth" audio player connection and check the operation
-
Phonebook data cannot be transferred
-
Radio receiver assembly
Click here
Phonebook data is cleared
Radio receiver assembly
Click here
Phonebook data cannot be edited
Check that the phonebook data automatic transfer setting of the in-vehicle device is off
-
Radio receiver assembly
Click here
All the transferred phonebook data is sorted to "Other"
Check that no applications on the cellular phone are running
-
Check that phonebook data in the cellular phone is not stored to the SIM card
-
Proceed to "Cellular Phone Inspection"
Click here
Explain to the customer that all the transferred phonebook data may be stored to "Other" - Cellular phone cannot make outgoing/ incoming calls Move the vehicle into a cellular phone service
-
Cellular phone cannot make outgoing/ incoming calls
Move the vehicle into a cellular phone service area, check that the "Bluetooth" device is connected to the vehicle and operate device again
-
Check that the cellular phone can make outgoing/ incoming calls properly when not connected via "Bluetooth"
-
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
Other caller's voice is interrupted by noise or sound quality is poor
Check the receiving voice volume (if it is too high, voice may sound distorted)
-
Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly
-
Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted"
Click here
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
Other caller's voice cannot be heard
Check that reception voice volume is not set to minimum
-
Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly
-
Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted"
Click here
Proceed to "Cellular Phone Inspection"
Click here
Radio receiver assembly
Click here
Caller's voice (your voice) is interrupted by noise or sound quality is poor
Check the transmitting voice volume (if it is too high, voice may sound distorted)
-
Check that nothing can cause noise around the microphone (an outlet of the air conditioning system facing the microphone, wind from an open window, additional devices, etc. may affect noise occurrence)
-
Proceed to "Cellular Phone Inspection"
Click here
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Radio receiver assembly
Click here
Other caller cannot hear your voice
When talking on the cellular phone, check that the mute button is not pressed
-
Check that nothing can cause noise around the microphone (an outlet of the air conditioning system facing the microphone, wind from an open window, additional devices, etc. may affect noise occurrence)
-
Proceed to "Cellular Phone Inspection"
Click here
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Radio receiver assembly
Click here
"Bluetooth" can be connected while driving
Proceed to "Speed Signal Circuit"
Click here
Radio receiver assembly
Click here

"Bluetooth" Audio Function (w/ "Bluetooth" Function) 
Symptom
Suspected Area
See page
Portable player cannot be registered
Proceed to "Portable Player cannot be Registered"
Click here
Radio receiver assembly
Click here
Portable player cannot be connected manually/automatically
Proceed to "Portable Player cannot be Registered"
Click here
Proceed to "Portable Player cannot be Connected Manually/Automatically"
Click here
Radio receiver assembly
Click here
Cellular phone with portable audio function cannot be recognized as "Bluetooth" audio device even when connected using "Bluetooth"
Proceed to "Portable Player cannot be Registered"
Click here
Proceed to "Portable Player cannot be Connected Manually/Automatically"
Click here
Radio receiver assembly
Click here
Sound of portable player cannot be heard from speakers, or sound is low
Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low"
Click here
Radio receiver assembly
Click here
Portable player does not play even after "Bluetooth" audio mode is selected
Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"
Click here
Radio receiver assembly
Click here
Portable player does not play
Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"
Click here
Radio receiver assembly
Click here
Track information such as track number, track name, elapsed play time and playlist is not displayed
Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"
Click here
Radio receiver assembly
Click here
Operation switches for portable player such as play, pause, repeat and random are not displayed
Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"
Click here
Radio receiver assembly
Click here
"Bluetooth" signal condition is not displayed
Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"
Click here
Radio receiver assembly
Click here
Portable player cannot pause, select file, fast forward, fast rewind, play at random
Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"
Click here
Radio receiver assembly
Click here
Noise occurs or sound skips when portable player plays
Proceed to "Noise Occurs or Sound Skips when Portable Player Plays"
Click here
Radio receiver assembly
Click here
Registered device cannot be deleted
Proceed to "Registered Device cannot be Deleted"
Click here
Radio receiver assembly
Click here

USB Audio System Function  
Symptom
Suspected Area
See page
USB audio system sound cannot be heard or sound quality is bad (USB connector is used)
Proceed to [USB device or "iPod"] in System Description
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here
USB device or "iPod" is not recognized
Proceed to [USB device or "iPod"] in System Description
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here
Track information, such as track, artist and album names, is not displayed
Proceed to [USB device or "iPod"] in System Description
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here
USB device or "iPod" is recognized but cannot play, or can play but not in a sorted order
Proceed to [USB device or "iPod"] in System Description
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here
"iPod" battery cannot be charged
Proceed to [USB device or "iPod"] in System Description
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here